Paris metro

(Newser) - In a weird convergence of form following function, the world's subway systems are marching toward a kind of "unified theory" of structure for the complex operations. The route patterns seem intuitively logical, but they have developed across different cultures, in different geographies and economies, and often piecemeal over...

(Newser) - While France was debating its burka ban, graffiti artist "Princess Hijab" continued her jolting work covering up women—and men—in Paris metro ads with painted veils. The mysterious artist covers faces and sometimes entire bodies in black. She has dodged easy classification in decidedly elusive interviews, and it's...